pub struct Button {
    pub offset: Vec2<f64>,
    pub size: Extent2<f64>,
    pub click_region: Option<Rect<f64, f64>>,
    pub label: Option<String>,
    pub state: State,
    pub node: Node,
    pub assets: ButtonAssetPaths,
}
Expand description

A simple button widget.

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§offset: Vec2<f64>

Top-left position of the widget in pixels.

§size: Extent2<f64>

Size of the button in pixels.

§click_region: Option<Rect<f64, f64>>

Extra size of the click region in pixels.

Relative to the offset.

§label: Option<String>

A custom label with text centered at the button.

§state: State

Current button state.

§node: Node

Taffy layout node.

§assets: ButtonAssetPaths

Where to load the assets.

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impl Button

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pub fn update( &mut self, input: &WinitInputHelper, mouse_pos: Option<Vec2<usize>> ) -> bool

Handle the input.

Return when the button is released.

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pub fn render(&self, canvas: &mut Canvas<'_>)

Render the button.

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impl Debug for Button

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Default for Button

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl Widget for Button

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fn update_layout(&mut self, location: Vec2<f64>, size: Extent2<f64>)

Update the widget layout position, defines how it must be drawn.
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fn as_any(&self) -> &dyn Any

Convert to Any so we can convert it back to the original type.
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fn as_any_mut(&mut self) -> &mut dyn Any

Convert to mutable Any so we can convert it back to the original type.

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> Downcast<T> for T

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fn downcast(&self) -> &T

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> Pointable for T

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const ALIGN: usize = _

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<R, P> ReadPrimitive<R> for P
where R: Read + ReadEndian<P>, P: Default,

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fn read_from_little_endian(read: &mut R) -> Result<Self, Error>

Read this value from the supplied reader. Same as ReadEndian::read_from_little_endian().
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fn read_from_big_endian(read: &mut R) -> Result<Self, Error>

Read this value from the supplied reader. Same as ReadEndian::read_from_big_endian().
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fn read_from_native_endian(read: &mut R) -> Result<Self, Error>

Read this value from the supplied reader. Same as ReadEndian::read_from_native_endian().
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T> Upcast<T> for T

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fn upcast(&self) -> Option<&T>